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A spectrum is a usually 2-dimensional plot, of a compound signal, depicting the components by another measure. Sometimes, it is used to refer to the compound signal itself, such as the "spectrum of visible light", a reference to those electromagnetic waves which are visible to the human eye.

The spectrogram is the result of calculating the frequency spectrum of windowed frames of the signal.

There are many specific meanings of spectrum:

Table of contents
1 In Sports
2 In Mathematics
3 In Music
4 In Physics
5 In Pharmacology
6 In Politics
7 In Psychology
8 In Telecommunication
9 Other meanings

In Sports

In Mathematics

In Music

In Physics

In Pharmacology

In Politics

In Psychology

In Telecommunication

Other meanings